FHWA NBI 2024 Inspection record Public-domain dataset

SB ILL 6

Carrying SB ILL 6 over WB I-74

2 MI W STERLING AVE, Peoria, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: SB ILL 6

The SB ILL 6 bridge in Peoria, Illinois carries SB ILL 6 over WB I-74. It was built in 1978, making it 48 years old today. The structure is built primarily of steel. Daily traffic averages 21,100 vehicles, placing it in the heavily-trafficked tier of Illinois bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How SB ILL 6 compares

365
Bridges in Peoria · 49 in Poor condition

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
83.9 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
28.0
Essentiality /15
11.9
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Overall Condition
Unrated

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1978
Material
Steel
Avg Daily Traffic
21,100 vehicles/day
Structure Number
072010600000000

How to read this record

This page shows what the last federal inspection recorded, not whether SB ILL 6 is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare SB ILL 6 against other structures in Peoria and across Illinois. Illinois bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for SB ILL 6?

SB ILL 6 in Peoria, Illinois on the FHWA's 0–9 scale.

How often is SB ILL 6 inspected?

SB ILL 6's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 21,100 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. SB ILL 6 is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SB ILL 6?

An inventory load rating is not recorded for SB ILL 6.

Who is responsible for maintaining SB ILL 6?

Ownership is not specified for SB ILL 6 in the NBI.

How old is SB ILL 6 and does age affect safety?

SB ILL 6 was built in 1978, making it 48 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.